Search a number
-
+
13551468 = 2237295563
BaseRepresentation
bin110011101100…
…011101101100
3221111111010020
4303230131230
511432121333
61202242140
7223120440
oct63543554
927444106
1013551468
117716467
124656350
132a66228
141b2a820
1512ca3b3
hexcec76c

13551468 has 48 divisors (see below), whose sum is σ = 37390080. Its totient is φ = 3737664.

The previous prime is 13551467. The next prime is 13551469. The reversal of 13551468 is 86415531.

It is an interprime number because it is at equal distance from previous prime (13551467) and next prime (13551469).

It is not an unprimeable number, because it can be changed into a prime (13551467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346 + ... + 5217.

It is an arithmetic number, because the mean of its divisors is an integer number (778960).

Almost surely, 213551468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13551468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18695040).

13551468 is an abundant number, since it is smaller than the sum of its proper divisors (23838612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13551468 is a wasteful number, since it uses less digits than its factorization.

13551468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606 (or 5604 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 13551468 is about 3681.2318590385. The cubic root of 13551468 is about 238.4123679829.

Adding to 13551468 its reverse (86415531), we get a palindrome (99966999).

The spelling of 13551468 in words is "thirteen million, five hundred fifty-one thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 609 812 1218 2436 5563 11126 16689 22252 33378 38941 66756 77882 116823 155764 161327 233646 322654 467292 483981 645308 967962 1129289 1935924 2258578 3387867 4517156 6775734 13551468